Shop from 43,146,568 total and 12,294,336 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Find baseball cards and other sports cards on sale in Promotions & Port Sales

Ideal for Set Builders & Player Collectors

Build one order over time from multiple sellers, pay shipping once, and receive your cards in one package.

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Buy now, ship later! Purchase over time from many sellers & ship once!

43 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

High resolution scans of the front & back of every card.

Easy & Fun Sports Card Flipping

Filter by team, player, set & more. Purchase, instantly relist, & flip for profit.

We Do The Work To Sell Your Cards

Research & identify your collectibles

Evaluate condition & value

Scan the front & back of every card

Advertise to find buyers

Store & insure consigned collectibles

Resolve customer service needs

Securely package & ship to buyers

We Have Other Unique Services

Mailbox Services

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eBay Integration

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A Different Way to Sell Cards

We identify, scan, list, store, insure, package, and ship - just send us your sports cards, trading cards, and collectibles. COMC listings are automatically posted to eBay!

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2024 Topps Holiday - [Base] - Plaid #H165

Paul Skenes

$39.18

2017 Topps Chrome - 1987 Design #87T-8

Vladimir Guerrero [PSA 8 NM‑MT]

$42.74

2001 Topps - Team Topps Legends Reprint Autographs #TTR18

Barry Sanders [PSA 10 GEM MT]

$303.51

2023 Leaf Game Day Ticket Collection - [Base] #TC-41

Patrick Mahomes II [Uncirculated]

$17.04

2024 Panini Origins - [Base] #149

Rookies - Bo Nix

$17.79

2018 Panini Donruss - Rookie Threads - Green #17

Lamar Jackson

$39.34

2022-23 Upper Deck AHL - [Base] - Exclusives #115

Star Rookies - Yaroslav Askarov /100

$29.29

2017-18 O-Pee-Chee Platinum - Retro - Rainbow Blue #R-1

Auston Matthews /149

$69.24

2023-24 Upper Deck Series 1 - [Base] #222

Young Guns - Matthew Knies

$56.25

2019-20 Upper Deck Ultimate Collection - Autographed Debut Threads Patch #DT-JW

Tier 1 - Jake Walman /99

$28.99

2023-24 Upper Deck Extended Series - 1998-99 UD3 #UD3-3

Connor Bedard [PSA 9 MINT]

$53.15

2022-23 Panini NBA Hoops - [Base] - Silver #231

Rookies - Paolo Banchero /199

$81.04

2017-18 Panini Prizm - Emergent #EM-JAY

Michael Jordan

$98.28

2024 Panini Prizm Draft Picks - [Base] - Purple Ice Prizm #89

Cameron Brink /149

$39.35

2004-05 Topps Chrome - [Base] - Refractor #15

Jump to Popular Players!

Michael Jordan HOF	LeBron James	Aaron Judge	Alexis Lafreniere	Wolverine	Stephen Curry
Connor Bedard	Shohei Ohtani	Spider-Man	Tom Brady	Derek Jeter	Paul Goldschmidt
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Zion Williamson	Ja Morant	Patrick Mahomes II
Kobe Bryant	Auston Matthews	Mike Trout	Ronald Acuna Jr.	Shaquille O'Neal	Wayne Gretzky

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COMC (Check Out My Collectibles) is a unique marketplace for buying and selling sports cards, gaming cards, comics, and more. We have a great selection of singles, memorabilia cards, autographed cards, and rookie cards. Our listings include front and back scans of every card. We're also a great place to sell cards. Do you want to know more about card values? Learn about our suggested prices.